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SMD Marking Code - Z57

Z57
Total Parts 4/4
Manufacturers Ricoh Co., Ltd, NXP Semiconductors (Philips), Vishay Semiconductor GmbH, Torex Semiconsuctor Ltd.
Functions DC/DC Voltage Converter Integrated Circuit, Zener Diode, Linear Voltage Regulator Integrated Circuit
Cases SOT-23, SOT-23-5, SOT-25
Pins 16dc, 28vrd, 28sy
Description

4.7V±2.5%, Zzt=80Ω, Izt=5mA, 250mW

4.61..4.79V, Zzt=80Ω, Izt=5mA, 300mW

LDO, 1.7V±2%, 1A, +CE, CL

PFM step-up, 100kHz, 5.7V±2.5%, 400mA

SMD Code A Part Number Manufacturer Case Pin Description
Z57 - BZX84-B4V7 Nxp SOT-23 16dc

Zener Diode

4.7V±2.5%, Zzt=80Ω, Izt=5mA, 250mW

Z57 - BZX84B4V7-V Vs SOT-23 16dc

Zener Diode

4.61..4.79V, Zzt=80Ω, Izt=5mA, 300mW

Z57 - R1172N171D Ric SOT-23-5 28vrd

Linear Voltage Regulator Integrated Circuit

LDO, 1.7V±2%, 1A, +CE, CL

Z57 eb XC9110F571MR Tor SOT-25 28sy

DC/DC Voltage Converter Integrated Circuit

PFM step-up, 100kHz, 5.7V±2.5%, 400mA